(19)

(11)

EP 2 446 649 A2

(12)

(88) Date of publication A3: 26.05.2011 (43) Date of publication: 02.05.2012 Bulletin 2012/18 (21) Application number: 10732552.4 (22) Date of filing: 22.06.2010

(51) International Patent Classification (IPC):  H04W 4/02(2009.01) H04L 29/08(2006.01) (86) International application number: PCT/US2010/039478 (87) International publication number: WO 2011/005516 (13.01.2011 Gazette 2011/02)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 22.06.2009 US 219376 P 24.08.2009 US 236501 P 21.06.2010 US 819815 (71) Applicant: Qualcomm Incorporated San Diego, CA 92121 (US)	(72) Inventors: EDGE, Stephen W. San Diego California 92121 (US) BURROUGHS, Kirk Allan San Diego California 92121 (US) SUBRAMANIAN, Ramachandran San Diego California 92121 (US) (74) Representative: Wegner, Hans  Bardehle Pagenberg Prinzregentenplatz 7 81675 München 81675 München (DE)